Summary of Significant Accounting Policies - Estimated Useful Lives (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Depreciation	$ 34,388	$ 30,085	$ 18,882
Buildings and improvements | Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	10 years
Buildings and improvements | Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	30 years
Machinery and equipment | Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	5 years
Machinery and equipment | Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	10 years
Furniture, computers and equipment | Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	3 years
Furniture, computers and equipment | Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	5 years
Internal-use software | Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	3 years
Internal-use software | Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	5 years
Production molds | Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	2 years
Production molds | Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	5 years